||    ||[[미분방정식,differential_equation]] ||[[차분방정식,difference_equation]] ||
||?   ||[[미분,differential]] [[미분,differentiation]] [[미분,derivative]](도함수) ||[[차분,difference]] curr at [[차이,difference]] ||
||rel. ||[[나눗셈,division]], [[기울기,slope]] ||[[뺄셈,subtraction]] ||
||[[해,solution]]의 형태  ||[[함수,function]] (연속적, [[연속성,continuity]]) ||[[수열,sequence]] (이산적, [[이산성,discreteness]]) ||